Fig. 5From: Effect of quadratus lumborum block on postoperative cognitive function in elderly patients undergoing laparoscopic radical gastrectomy: a randomized controlled trialSerum levels of HMGB1 at different time points between the two groups. Error bars represent the mean ± SD, compared with group C, #P < 0.05, compared with baseline, *P < 0.05. Data were compared by repeated-measures analysis of variance. HMGB1 = high mobility group box 1Back to article page